9.0 为什么我长成现在的样子？
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All organisms have external parts. Different animals use their body parts in different ways to see, hear, grasp objects, protect themselves, move from place to place, seek, find, and take in food, water and air. Plants also have different parts (roots, stems, leaves, flowers, fruits) that help them survive and grow.
Look in the mirror.
What do you see?
You have two arms.
You have two hands.
Each hand has five fingers.
What do you do with your hands?
You also have two long legs and two feet.
How do you move your legs and feet?
::所有生物都有外部部分。不同的动物以不同的方式使用它们的身体部位来看、听、抓住物体、保护自己、从一个地方移动到另一个地方、寻找、发现和吸收食物、水和空气。植物也有不同的部分（根、茎、叶、花、果实）来帮助它们生存和生长。照照镜子。你看到了什么？你有两只胳膊。你有两只手。每只手有五个手指。你的手会做什么？你也有两条长腿和两只脚。你如何移动你的腿和脚？
Dogs have four legs.
They are covered in fur.
They don’t have any hands.
Can you name some other differences?
::狗有四条腿。它们被皮毛覆盖着。他们没有手。你能说出其他的区别吗？
Animals are not all alike.
They do not look like us.
Do you see the animals below?
How do they differ from us?
How are they the same?
::动物并不都是一样的。他们看起来不像我们。你看到下面的动物了吗？他们和我们有什么不同？它们怎么一样呢？
An animal's feature help them.
Some animals have sharp claws.
The claws are good for climbing trees.
Other features help them to get food.
::动物的特征帮助了他们。有些动物有锋利的爪子。爪子很适合爬树。其他特征帮助它们获得食物。
Animals have all kinds of features that help them do things.
What features help them stay safe?
What features help them build shelters?
What features help them find food?
What features help them stay warm?
::动物有各种各样的特征来帮助它们做事。哪些功能可以帮助它们保持安全？什么特征可以帮助他们建造避难所？什么特征能帮助它们寻找食物？什么特征能帮助它们保暖？
An animal's features help them survive.
Can you name some animals?
What are their features?
How can they help them survive?
::动物的特征有助于它们生存。你能说出一些动物的名字吗？它们的特点是什么？他们如何帮助他们生存？
